Cover for ceiling ventilation fan



FIG. 1 is a perspective view of a cover for ceiling ventilation fan of the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 2. 

CLAIM We claim the ornamental design for a cover for ceiling ventilation fan, as shown and described. 